drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
Extension
.c
Size
2988 bytes
Lines
119
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: BSD-3-Clause-Clear

#include "mt7603.h"

static int
mt7603_reset_read(struct seq_file *s, void *data)
{
	struct mt7603_dev *dev = dev_get_drvdata(s->private);
	static const char * const reset_cause_str[] = {
		[RESET_CAUSE_TX_HANG] = "TX hang",
		[RESET_CAUSE_TX_BUSY] = "TX DMA busy stuck",
		[RESET_CAUSE_RX_BUSY] = "RX DMA busy stuck",
		[RESET_CAUSE_RX_PSE_BUSY] = "RX PSE busy stuck",
		[RESET_CAUSE_BEACON_STUCK] = "Beacon stuck",
		[RESET_CAUSE_MCU_HANG] = "MCU hang",
		[RESET_CAUSE_RESET_FAILED] = "PSE reset failed",
	};
	int i;

	for (i = 0; i < ARRAY_SIZE(reset_cause_str); i++) {
		if (!reset_cause_str[i])
			continue;

		seq_printf(s, "%20s: %u\n", reset_cause_str[i],
			   dev->reset_cause[i]);
	}

	return 0;
}

static int
mt7603_radio_read(struct seq_file *s, void *data)
{
	struct mt7603_dev *dev = dev_get_drvdata(s->private);

	seq_printf(s, "Sensitivity: %d\n", dev->sensitivity);
	seq_printf(s, "False CCA: ofdm=%d cck=%d\n",
		   dev->false_cca_ofdm, dev->false_cca_cck);

	return 0;
}

static int
mt7603_edcca_set(void *data, u64 val)
{
	struct mt7603_dev *dev = data;

	mutex_lock(&dev->mt76.mutex);

	dev->ed_monitor_enabled = !!val;
	dev->ed_monitor = dev->ed_monitor_enabled &&
			  dev->mt76.region == NL80211_DFS_ETSI;
	mt7603_init_edcca(dev);

	mutex_unlock(&dev->mt76.mutex);

	return 0;
}

static int
mt7603_edcca_get(void *data, u64 *val)
{
	struct mt7603_dev *dev = data;

	*val = dev->ed_monitor_enabled;
	return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt7603_edcca_get,
			 mt7603_edcca_set, "%lld\n");

static int
mt7603_ampdu_stat_show(struct seq_file *file, void *data)
{
	struct mt7603_dev *dev = file->private;
	int bound[3], i, range;

	range = mt76_rr(dev, MT_AGG_ASRCR);
	for (i = 0; i < ARRAY_SIZE(bound); i++)
		bound[i] = MT_AGG_ASRCR_RANGE(range, i) + 1;

	seq_printf(file, "Length: %8d | ", bound[0]);
	for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
		seq_printf(file, "%3d -%3d | ",
			   bound[i], bound[i + 1]);
	seq_puts(file, "\nCount:  ");
	for (i = 0; i < ARRAY_SIZE(bound); i++)
		seq_printf(file, "%8d | ", dev->mphy.aggr_stats[i]);
	seq_puts(file, "\n");

Annotation

Implementation Notes